/** Copyright (C) 2008 Happy Fish / YuQing
 * FastDFS Java Client may be copied only under the terms of the GNU Lesser
 * General Public License (LGPL).
 * Please visit the FastDFS Home Page http://www.csource.org/ for more detail. */

package org.csource.fastdfs;

/**
* C struct body decoder
* @author Happy Fish / YuQing
* @version Version 1.18
*/
public class StructGroupStat extends StructBase {
    protected static final int FIELD_INDEX_GROUP_NAME = 0;
    protected static final int FIELD_INDEX_TOTAL_MB = 1;
    protected static final int FIELD_INDEX_FREE_MB = 2;
    protected static final int FIELD_INDEX_TRUNK_FREE_MB = 3;
    protected static final int FIELD_INDEX_STORAGE_COUNT = 4;
    protected static final int FIELD_INDEX_STORAGE_PORT = 5;
    protected static final int FIELD_INDEX_STORAGE_HTTP_PORT = 6;
    protected static final int FIELD_INDEX_ACTIVE_COUNT = 7;
    protected static final int FIELD_INDEX_CURRENT_WRITE_SERVER = 8;
    protected static final int FIELD_INDEX_STORE_PATH_COUNT = 9;
    protected static final int FIELD_INDEX_SUBDIR_COUNT_PER_PATH = 10;
    protected static final int FIELD_INDEX_CURRENT_TRUNK_FILE_ID = 11;

    protected static int fieldsTotalSize;
    protected static FieldInfo[] fieldsArray = new FieldInfo[12];

    static {
        int offset = 0;
        fieldsArray[FIELD_INDEX_GROUP_NAME] = new FieldInfo("groupName", offset,
            ProtoCommon.FDFS_GROUP_NAME_MAX_LEN + 1);
        offset += ProtoCommon.FDFS_GROUP_NAME_MAX_LEN + 1;

        fieldsArray[FIELD_INDEX_TOTAL_MB] = new FieldInfo("totalMB", offset, ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_FREE_MB] = new FieldInfo("freeMB", offset, ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_TRUNK_FREE_MB] = new FieldInfo("trunkFreeMB", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_STORAGE_COUNT] = new FieldInfo("storageCount", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_STORAGE_PORT] = new FieldInfo("storagePort", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_STORAGE_HTTP_PORT] = new FieldInfo("storageHttpPort", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_ACTIVE_COUNT] = new FieldInfo("activeCount", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_CURRENT_WRITE_SERVER] = new FieldInfo("currentWriteServer", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_STORE_PATH_COUNT] = new FieldInfo("storePathCount", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_SUBDIR_COUNT_PER_PATH] = new FieldInfo("subdirCountPerPath", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsArray[FIELD_INDEX_CURRENT_TRUNK_FILE_ID] = new FieldInfo("currentTrunkFileId", offset,
            ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE);
        offset += ProtoCommon.FDFS_PROTO_PKG_LEN_SIZE;

        fieldsTotalSize = offset;
    }

    protected String groupName; // name of this group
    protected long totalMB; // total disk storage in MB
    protected long freeMB; // free disk space in MB
    protected long trunkFreeMB; // trunk free space in MB
    protected int storageCount; // storage server count
    protected int storagePort; // storage server port
    protected int storageHttpPort; // storage server HTTP port
    protected int activeCount; // active storage server count
    protected int currentWriteServer; // current storage server index to upload file
    protected int storePathCount; // store base path count of each storage server
    protected int subdirCountPerPath; // sub dir count per store path
    protected int currentTrunkFileId; // current trunk file id

    /**
    * get group name
    * @return group name
    */
    public String getGroupName() {
        return this.groupName;
    }

    /**
    * get total disk space in MB
    * @return total disk space in MB
    */
    public long getTotalMB() {
        return this.totalMB;
    }

    /**
    * get free disk space in MB
    * @return free disk space in MB
    */
    public long getFreeMB() {
        return this.freeMB;
    }

    /**
    * get trunk free space in MB
    * @return trunk free space in MB
    */
    public long getTrunkFreeMB() {
        return this.trunkFreeMB;
    }

    /**
    * get storage server count in this group
    * @return storage server count in this group
    */
    public int getStorageCount() {
        return this.storageCount;
    }

    /**
    * get active storage server count in this group
    * @return active storage server count in this group
    */
    public int getActiveCount() {
        return this.activeCount;
    }

    /**
    * get storage server port
    * @return storage server port
    */
    public int getStoragePort() {
        return this.storagePort;
    }

    /**
    * get storage server HTTP port
    * @return storage server HTTP port
    */
    public int getStorageHttpPort() {
        return this.storageHttpPort;
    }

    /**
    * get current storage server index to upload file
    * @return current storage server index to upload file
    */
    public int getCurrentWriteServer() {
        return this.currentWriteServer;
    }

    /**
    * get store base path count of each storage server
    * @return store base path count of each storage server
    */
    public int getStorePathCount() {
        return this.storePathCount;
    }

    /**
    * get sub dir count per store path
    * @return sub dir count per store path
    */
    public int getSubdirCountPerPath() {
        return this.subdirCountPerPath;
    }

    /**
    * get current trunk file id
    * @return current trunk file id
    */
    public int getCurrentTrunkFileId() {
        return this.currentTrunkFileId;
    }

    /**
    * set fields
    * @param bs byte array
    * @param offset start offset
    */
    public void setFields(byte[] bs, int offset) {
        this.groupName = stringValue(bs, offset, fieldsArray[FIELD_INDEX_GROUP_NAME]);
        this.totalMB = longValue(bs, offset, fieldsArray[FIELD_INDEX_TOTAL_MB]);
        this.freeMB = longValue(bs, offset, fieldsArray[FIELD_INDEX_FREE_MB]);
        this.trunkFreeMB = longValue(bs, offset, fieldsArray[FIELD_INDEX_TRUNK_FREE_MB]);
        this.storageCount = intValue(bs, offset, fieldsArray[FIELD_INDEX_STORAGE_COUNT]);
        this.storagePort = intValue(bs, offset, fieldsArray[FIELD_INDEX_STORAGE_PORT]);
        this.storageHttpPort = intValue(bs, offset, fieldsArray[FIELD_INDEX_STORAGE_HTTP_PORT]);
        this.activeCount = intValue(bs, offset, fieldsArray[FIELD_INDEX_ACTIVE_COUNT]);
        this.currentWriteServer = intValue(bs, offset, fieldsArray[FIELD_INDEX_CURRENT_WRITE_SERVER]);
        this.storePathCount = intValue(bs, offset, fieldsArray[FIELD_INDEX_STORE_PATH_COUNT]);
        this.subdirCountPerPath = intValue(bs, offset, fieldsArray[FIELD_INDEX_SUBDIR_COUNT_PER_PATH]);
        this.currentTrunkFileId = intValue(bs, offset, fieldsArray[FIELD_INDEX_CURRENT_TRUNK_FILE_ID]);
    }

    /**
    * get fields total size
    * @return fields total size
    */
    public static int getFieldsTotalSize() {
        return fieldsTotalSize;
    }
}
